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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 180
Parent subsystem(s): fs (126)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_write_inline_data_end (3) ext4 -1 syz 1 7d04h 6d12h PATCH [4d13h]
KASAN: use-after-free Read in ext4_search_dir (3) ext4 prio:high actionable 19 1 18d 13d
INFO: task hung in ext4_write_end ext4 prio:high 1 syz error 3 20d 20d
INFO: task hung in ext4_load_tail_bh ext4 1 C 1 4d12h 20d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 3 17d 42d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 5 2d12h 43d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 58d 58d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 48d 62d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 68d 64d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 57d 82d PATCH [30d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 90d 86d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 5 2d00h 90d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 139d 149d PATCH [103d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 9 3d04h 161d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 119d 163d 💬 8 [132d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 726 1h10m 204d PATCH [12d]
possible deadlock in evict (4) prio:high ext4 4 34 6h31m 237d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 71 27d 240d 💬 11 [239d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1931 3h20m 251d PATCH [8d14h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 8532 15m 258d PATCH [34d]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 550 9h14m 259d PATCH [8d14h]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 13535 18m 264d PATCH [34d]
WARNING in get_data prio:high ext4 -1 C error 1613 253d 270d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 48d 279d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 36d 281d PATCH [28d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 55 3d19h 281d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 73d 308d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 824 6h36m 309d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 144d 310d PATCH [300d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 94d 331d 💬 4 [330d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 39d 376d 💬 1 [235d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 31d 387d PATCH [16d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 199d 436d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 C done error 38 130d 467d
INFO: task hung in find_inode_fast (4) ext4 1 C error error 27 5d10h 576d PATCH [23d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 10d 605d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 18d 628d PATCH [625d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 C inconclusive error 132 20d 629d
possible deadlock in ext4_writepages (2) prio:high ext4 4 C unreliable 18024 1h27m 640d 💬 1 [11d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 81 6d20h 642d PATCH [439d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7799 16h10m 668d PATCH [208d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 200d 692d 💬 1 [692d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 363 11h17m 713d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 14d 785d PATCH [784d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2207 1d19h 798d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 200d 807d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 799d 832d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 3007 9d02h 1100d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 592d 1143d PATCH [663d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 610d 1143d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3718 2h56m 1312d PATCH [19d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 44 5d04h 1332d 💬 7 [862d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) ext4 race:benign prio:low 6 1 22d 22d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) race:benign prio:low mm ext4 6 2 18d 30d
KCSAN: data-race in data_push_tail / uuid_string (6) race:benign prio:high ext4 6 2 26d 52d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 42d 160d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 14 4d22h 162d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low block ext4 6 40 13d 363d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 195 1d09h 413d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 311 6d20h 452d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 547 15h21m 452d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 240 17h33m 516d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low block ext4 6 74 6d12h 682d
KCSAN: data-race in touch_atime / touch_atime (3) prio:high ext4 6 741 3d01h 786d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1581 2d21h 958d
KCSAN: data-race in data_alloc / prb_reserve prio:low net ext4 6 1290 2d11h 1944d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3917 3d22h 2081d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 452d 2361d